14 MR. P. L. SCLATER ON BIRDS FROM ST. LUCIA. [Jan. 4, 



appears to be referable to a new genus of Mniotiltidae. The fol- 

 lowing is a list of the species, with the local names as given by Mr. 

 Semper : — 



1. Thryothorus mesoleucus, sp. nov. Local name " Rossignol." 



2. Leucopeza semperi, sp. et gen. nov. Local name, " Pied- 



blanc." 



3. Setophaga ruticilla (Linn.). Local name, " Carrougette." 



4. Progne dominicensis (Gra.). Local name, "White-breasted 



Swallow." 



5. Euphonia flavifrons (Sparrm.). Local name, " Moisson a 



couleurs." 



6. Phonipara bicolor (Linn.). Local name, "Grass-sparrow." 



7. Mgialitis semipalmata (Bp.) Local name, " Becasse a 



collier." 



8. Tringa fuscico His (Yieill.). Local name, "Becasse." 



I append descriptions of the two new species. 



Thryothorus mesoleucus, sp. nov. 



Supra terreno-brunneus, alls caudaque nigro transfasciatis, uropy- 

 gii plvmis laxis, albo sub apicem punctatis : subtus pure albus 

 hypochondriis et crisso fulvis, hoc indistincte nigro maculato : 

 rostro svperiore corneo, inferiore albicante, pedibus fuscis : 

 long, tola 4 - 0, alee 2*0, caudec 1'5, rostri a rictu "8. 



Hab. ins. St. Lucia Antillarum {Semper). 



Mus. P. L. S. 



Obs. Minor statura quam T. martinicensis, et rostro longiore 

 tenuiore et magis incurvo : quoad colores abdomine albo satis 

 diversus. 



Leucopeza sempert, gen. et sp. nov. (Plate II.) 



Leucopeza*, gen. nov. exfamilia Mniotiltidarum, ad Helmintherum, 

 Helminthophagam et hujusmodi genera spectans, rostro fere 

 sitnili, sed alls rotundatis, remige tertio et quarto longissimis, 

 secundo quintum cequante, primo quam sextus paido breviore 

 distinguendum. Ptilosis fere unicolor, cineracea, immaculata. 

 Pedes fortes. Tarsi elongati. Cauda paulum rotandata. 



Leucopeza semperi, sp. nov. (Plate II.) 



Cineraceus unicolor, dorso postico in olivaceum trahente, subtus 

 pallidior, medialiter albescens, ventre medio fere pure albo : 

 rostro corneo, pedibus albis : long, tota 5*7, alee 2' 7, candle 

 2*2, tarsi 0'9, rostri a rictu 0'8. 



Hab. ins. St. Lucia Antillarum {Semper). 



Mus. P. L. S. 



* Ai-vkos, albus, et iteZ,a, pes — ex nomine vulgari " P/ed-blanc." 



